Permissible current per contact (continuous) 5 A
Permissible current per contact (switching on and
holding)
30 A for 1 s (make contact)
Short-time current across closed contact 250 A for 30 ms
Total permissible current for contacts connected to
common potential
5 A
Switching time OOT (Output Operating Time)
Additional delay of the output medium used
Make time: typical: 4 ms; maximum: 5 ms
Break time: typical: 2 ms; maximum: 5 ms
Rated data of the output contacts in accordance with
UL certification
DC 24 V, 5 A, General Purpose
DC 48 V, 0.8 A, General Purpose
DC 240 V, 0.1 A, General Purpose
AC 120 V, 5 A, General Purpose
AC 250 V, 5 A, General Purpose
AC 250 V, 0.5 hp
B300
R300
Interference suppression capacitors across the
contacts
4.7 nF, ± 20 %, AC 250 V
Supervision 2-channel activation with cyclic testing (only for make
contact)
High-Speed Relay with Semiconductor Acceleration (Type HS)
Making capacity
Max. 2500 W (L/R = 40 ms)
Max. 3600 VA (power factor ≤ 0.35, 50 Hz to 60 Hz)
Breaking capacity Max. 2500 W (L/R = 40 ms)
Max. 360 VA (power factor ≤ 0.35, 50 Hz to 60 Hz)
Contact voltage AC 200 V, DC 250 V
Permissible current per contact (continuous) 5 A (according to UL certification)
10 A (no UL certification; AWG 14 / 2.5-mm
2
(0.0039-
in
2
) copper conductors necessary)
Permissible current per contact (switching on and
holding)
30 A for 1 s (make contact)
Short-time current across closed contact 250 A for 30 ms
Switching time OOT (Output Operating Time)
Additional delay of the output medium used
Make time, typical: 0.2 ms; maximum: 0.2 ms
Break time, typical: 9 ms; maximum: 9 ms
Rated data of the output contacts in accordance with
UL certification
B150
Q300
Power Relay (for Direct Control of Motor Switches)
Switching power for permanent and periodic operation
250 V/4.0 A
220 V/4.5 A
110 V/5.0 A
60 V/5.0 A
48 V/5.0 A
24 V/5.0 A
1000 W
1000 W
550 W
300 W
240 W
120 W
In order to prevent any damage, the external protec-
tion circuit must switch off the motor in case the rotor
is blocked.
Technical Data
12.1 General Device Data
794 SIPROTEC 5, Merging Unit 6MU85, Manual
C53000-G5040-C074-1, Edition 01.2020
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